EP0564762B1 - Unité de disque munie d'une suspension de transducteur à structure améliorée - Google Patents

Unité de disque munie d'une suspension de transducteur à structure améliorée Download PDF

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Publication number
EP0564762B1
EP0564762B1 EP93100731A EP93100731A EP0564762B1 EP 0564762 B1 EP0564762 B1 EP 0564762B1 EP 93100731 A EP93100731 A EP 93100731A EP 93100731 A EP93100731 A EP 93100731A EP 0564762 B1 EP0564762 B1 EP 0564762B1
Authority
EP
European Patent Office
Prior art keywords
load beam
arm
disk drive
load
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93100731A
Other languages
German (de)
English (en)
Other versions
EP0564762A3 (fr
EP0564762A2 (fr
Inventor
Mark Mastache
Peter A. Capano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of EP0564762A2 publication Critical patent/EP0564762A2/fr
Publication of EP0564762A3 publication Critical patent/EP0564762A3/en
Application granted granted Critical
Publication of EP0564762B1 publication Critical patent/EP0564762B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49025—Making disc drive

Claims (4)

  1. Une unité de disque comprenant:
    . une base (1) d'unité de disque;
    . au moins un disque (3a) monté à rotation sur ladite base (1) d'unité de disque;
    . un organe tubulaire de support (9) qui comporte une ouverture axiale traversante et porte une bride extérieure (9d) adjacente à une extrémité;
    . un boîtier (5b2) de bobine de moteur qui comporte un bras (5b6), ledit bras comportant une extrémité de montage et une ouverture traversante à ladite extrémité de montage;
    . au moins une poutre (5a) de charge ayant une extrémité de montage et une extrémité distale, ladite extrémité de montage comportant une ouverture traversante (5a4), ladite extrémité distale de ladite poutre de charge portant un transducteur (5a6) qui lui est attaché pour lire ou écrire des données sur ledit disque (3a); et
    . ledit organe tubulaire de support (9) s'ajustant à travers chacun desdites ouvertures (5a4, 5b7), en portant empilés ledit bras (5b6) et ladite poutre (5a) de charge, ledit bras (5b6) ou ladite poutre (5a) de charge étant au contact de ladite bride (9d) et formant avec ledit bras (5b6) et ladite poutre (5a) de charge un ensemble actionneur séparé;
    caractérisé en ce que
    . ledit organe tubulaire de support (9) est refoulé en faisant passer une bille à travers ladite ouverture axiale de manière à refouler et mettre en expansion ledit organe tubulaire de support (9) pour qu'il vienne en premier avec ladite poutre de charge et ledit bras de moteur et les fixe par friction;
    . une broche (9b) montée de façon amovible sur ladite base (1) d'unité de disque dans une position telle que l'axe de ladite broche (9b) soit sensiblement perpendiculaire à ladite base; et
    ledit organe tubulaire de support (9) recevant ladite broche dans ladite ouverture axiale et y étant fixé.
  2. L'unité de disque selon la revendication 1, comprenant:
    . au moins deus poutres (5a) de charge;
    . ledit bras (5b6) étant disposé entre lesdits poutres (5a) de charge sur ledit organe tubulaire de support (9a), et
    . lesdites poutres (5a) de charge faisant saillie vers des surfaces opposées dudit disque (5).
  3. L'unité de disque selon la revendication 2, comprenant:
    . au moins deux disques axialement espacés (3a) montés à rotation;
    . au moins trois poutres (5a) de charge, pourvues chacune d'une face avant et d'une face arrière;
    . une plaque de renforcement (5a3) sur la face arrière de l'extrémité de montage de chaque poutre (5a) de charge, le transducteur (5a6) étant attaché à la face avant à l'extrémité distale de chaque poutre (5a) de charge, chaque plaque de renforcement 5a3) comportant une ouverture traversante (5a4) alignée avec l'ouverture correspondante de ladite extrémité de montage de chaque poutre de charge;
    . ledit organe tubulaire (9a) comportant une surface d'embase périphérique (9d);
    . une première et une deuxième desdites au moins trois poutres (5a) de charge étant empilées sur ledit organe tubulaire (9a) en prise à friction avec lui, lesdites faces avant se faisant face et ledit bras (5b6) en prise à friction avec ledit organe tubulaire (9a) étant disposé entre elles, ladite plaque de renforcement (5a3) de ladite première poutre (5a) de charge étant en prise avec ladite surface d'embase (9d) et reposant sur celle-ci, lesdits transducteurs (5a6) étant disposés par rapport aux surfaces opposées de l'un desdits deux disques au moins (3a);
    . une troisième des au moins trois poutres (5a) de charge étant disposée sur ledit organe tubulaire (9a), en prise à friction avec lui, sa plaque de renforcement (5a4) étant au contact de ladite plaque de renforcement (5a3) de ladite deuxième poutre (5a) de charge, ladite troisième poutre (5a) de charge faisant saillie vers une surface d'un deuxième desdits deux disques au moins (5a).
  4. L'unité de disque selon la revendication 1, dans laquelle:
    . ledit organe tubulaire (9a), chacune desdites poutres (5a) de charge et ledit bras (5b6) sont en acier inoxydable.
EP93100731A 1992-04-08 1993-01-19 Unité de disque munie d'une suspension de transducteur à structure améliorée Expired - Lifetime EP0564762B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86501392A 1992-04-08 1992-04-08
US865013 1992-04-08

Publications (3)

Publication Number Publication Date
EP0564762A2 EP0564762A2 (fr) 1993-10-13
EP0564762A3 EP0564762A3 (fr) 1994-02-16
EP0564762B1 true EP0564762B1 (fr) 1997-07-23

Family

ID=25344533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100731A Expired - Lifetime EP0564762B1 (fr) 1992-04-08 1993-01-19 Unité de disque munie d'une suspension de transducteur à structure améliorée

Country Status (4)

Country Link
US (1) US5557839A (fr)
EP (1) EP0564762B1 (fr)
JP (1) JP3340506B2 (fr)
DE (1) DE69312365T2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862019A (en) * 1996-07-27 1999-01-19 Western Digital Corporation Disk drive head actuator fabrication system employing standardized self-aligning modular components
US5966269A (en) * 1996-08-21 1999-10-12 Hutchinson Technology, Inc. Head suspension with connected actuator arm and load beam in a laminate, monocoque construction
US6389684B1 (en) * 1997-05-05 2002-05-21 Seagate Technology Llc Swaging flexures to E-block arms
US6269532B1 (en) * 1997-05-05 2001-08-07 Seagate Technology Llc Device for detaching swaged components in a disc drive
US5920444A (en) * 1998-01-07 1999-07-06 Hutchinson Technology Incorporated Flexure and load point alignment structure in a head suspension
US6052258A (en) * 1998-05-29 2000-04-18 International Business Machines Corporation Transducer suspension system
US6765764B1 (en) * 2000-02-04 2004-07-20 Seagate Technology Llc E-block with stamped and drawn actuator arm members
JP2002081442A (ja) 2000-09-08 2002-03-22 Ntn Corp 超薄肉形転がり軸受
KR100723500B1 (ko) * 2005-08-31 2007-05-31 삼성전자주식회사 액츄에이터 및 이를 채용한 하드디스크 드라이브
SG130178A1 (en) * 2005-08-31 2007-03-20 Samsung Electronics Co Ltd Actuator and hard disk drive employing the same
JP4320320B2 (ja) * 2005-11-30 2009-08-26 富士通株式会社 キャリッジアセンブリの組立方法および組立装置
US8312617B2 (en) * 2009-09-17 2012-11-20 Alphana Technology Co., Ltd. Method of manufacturing a disk drive having a base member, bearing unit, drive unit and hub
US9367848B2 (en) 2010-12-27 2016-06-14 Stubhub, Inc. Dynamic interactive seat map
NL2019096B1 (en) 2017-06-20 2018-12-27 Suss Microtec Lithography Gmbh Nozzle tip adapter, nozzle assembly as well as nozzle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870525A (en) * 1988-05-05 1989-09-26 Miniscribe Corporation Method of mounting flexure arms on a cast rotary actuator
JP2843039B2 (ja) * 1988-12-09 1999-01-06 株式会社日立製作所 磁気ディスク装置の組立方法
US5153794A (en) * 1990-12-07 1992-10-06 Digital Equipment Corporation Assembly and method for securing head suspensions on actuator arms
CA2055060C (fr) * 1990-12-31 1996-04-16 John R. Reidenbach Actionneur rotatif pour lecteurs de disque
WO1992022056A1 (fr) * 1991-05-29 1992-12-10 Hutchinson Technology Incorporated Bloc etanche de disque winchester extra-plat

Also Published As

Publication number Publication date
DE69312365T2 (de) 1998-02-05
EP0564762A3 (fr) 1994-02-16
EP0564762A2 (fr) 1993-10-13
US5557839A (en) 1996-09-24
DE69312365D1 (de) 1997-09-04
JP3340506B2 (ja) 2002-11-05
JPH0644703A (ja) 1994-02-18

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